erase

Not Exactly Rocket Science

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Bringing an old memory back to mind would, you might think, strengthen it. But not so – when memories are recalled, they enter a surprisingly vulnerable state, when they can be reshaped or even rewritten. It takes a while for the memory to become strengthened anew, through a process called reconsolidation. Memories aren’t just written…

A couple of weeks ago, I wrote about propranolol, a drug that can erase the emotion of fearful memories.  When volunteers take the drug before recalling a scary memory about a spider, it dulled the emotional sting of future recollections. It’s not, however, a mind-wiping pill in the traditional science-fiction sense, and it can’t erase…